IT & Software

Senior Database Administrator - Core Infrastructure

Kraken

Remote · Nationwide · United Kingdom

Overview

In this role, you will scale and optimize MariaDB-based clusters to support Kraken’s global expansion and new product initiatives. You’ll join a senior DBAs/SREs team focused on reliability, security, and performance while driving automation and self-service for database operations. You’ll shape high-availability, disaster-recovery, and observability practices, contributing to a scalable, auditable platform. This is an opportunity to impact engineering velocity by building robust, reproducible deployments and strong operational patterns.

Responsibilities
  • Scale and tune high-throughput MariaDB clusters for global growth
  • Strengthen HA, DR, and backup strategies with design and tested procedures
  • Reduce manual work via automation and standardized, safe workflows
  • Improve observability and alerting quality across environments
  • Enhance database security through access controls and disciplined patching
  • Contribute to platform initiatives (containerization, IaC, reproducible deployments)
  • Partner with service teams to optimize performance and database hygiene
  • Participate in on-call rotations with a focus on preventive engineering
Key requirements
  • 5+ years operating MariaDB/MySQL in high-volume production environments (tuning, replication, troubleshooting)
  • Strong understanding of HA patterns, distributed DB behavior, and failure scenarios
  • Hands-on experience with database proxies or load-balancing layers (HAProxy, ProxySQL, MaxScale)
  • CI/CD, GitOps, and Infrastructure-as-Code workflows; Terraform experience ideal
  • Solid cloud, Linux, and networking fundamentals
  • Experience with containers and Kubernetes at scale
  • Strong security instincts around access control and upgrade processes
  • Observability expertise: monitoring, alerting hygiene, incident readiness
  • Strong communication and collaboration skills with stakeholders, documentation, and metrics
  • strong communication and collaboration
  • ownership and accountability
  • ability to translate technical concepts to non-technical stakeholders
  • MariaDB/MySQL in production
  • high availability and disaster recovery
  • HAProxy/ProxySQL/MaxScale

Reference: WJ-747_30159405

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